Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

Prove that twice of ten is the same as twice of eleven.

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

During which month do people sleep the least?

How can one talk without saying a single word?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Spot the cat in the picture below